2022 – JAMB BIOLOGY PAST QUESTIONS & ANSWERS CBT PRACTICE You can also check in for latest; 9JA Music Gospel Music Foreign Music 5 123456789101112131415161718192021222324252627282930 2022 - JAMB Biology Past Questions & Answers Cbt Practice 1 / 30 1. A universal recipient of blood belongs to blood group? a) A b) AB c) ) d) B 2 / 30 2. The body of a snail is divided into head? a) visceral mass and abdomen b) visceral mass and foot c) thorax and abdomen d) thorax and foot 3 / 30 3. The structure that joins the two strands of a chromosome together is the? a) chromatid b) centromere c) cellulose d) spindle 4 / 30 4. An ecological instrument used to measure wind direction is? a) Secchi disc b) anemometer c) slope gauge d) wind vane 5 / 30 5. The part that performs urinogenital function in the male reproductive system is the? a) urethra b) seminal vesacle c) epididymis d) ureter 6 / 30 6. Tall trees with buttress roots and evergreen leaves are characteristics features of? a) tropical rain forests b) temperate grass land c) Southern Guinea Savanna d) Northern Guinea savanna 7 / 30 7. The movement of sugars from the leaf to other parts of plant is? a) guttation b) transpiration c) transportation d) translocation 8 / 30 8. Gaseous exchange in annelids is more advanced and efficient compared to flatworms because? a) the cells of their epidermis have no blood capillaries b) they have well developed respiratory structures c) their surface area to volume ratio is very low d) their cylindrical shape gives high surface area to volume ratio 9 / 30 9. The waste product of insects is? a) Mucilage b) sweat c) urine d) uric acid 10 / 30 10. The components of blood in man are? a) red blood cells, white blood cells, and plasma b) red blood cells, white blood cells, and platelets c) red blood cells, white blood cells, plasma and water d) red blood cells, white blood cells, plasma and platelets 11 / 30 11. The type of fruit that is formed from a single flower having several free carpels is? a) aggregate fruit b) indehiscent fruit c) simple fruit d) fleshy fruit 12 / 30 12. Lack of nucleus is a feature in? a) neurone b) erythrocyte c) osteocyte d) leucocyte 13 / 30 13. sources of air pollutants are? a) sewage,smoke and old vehicles b) sulphurdioxide, acid rain and pesticides c) industrial chimneys, burning fossil oils and river dams d) sulphur dioxide, vehicle exhausts, and aerosols 14 / 30 14. The correct pathway for blood flow from the heart to the tissues of mammals is? a) heart-arteriole-artery-tissues b) heart-artery-arteriole-tissues c) heart-venule-vein-tissues d) heart-vein-venule-tissues 15 / 30 15. When a colour blind woman marries a normal man, what is the probability of their son being colour blind? a) 50% b) 100% c) 0% d) 25% 16 / 30 16. Succession that occurs on an abandoned farm land is? a) climax b) tertiary c) secondary d) primary 17 / 30 17. The feeding relationship that exists between a tick and a cow is? a) mechanism b) parasitism c) saprophytism d) commensalism 18 / 30 18. The movement of Euglena towards the source of light is a? a) kinetic movement b) nastic movement c) tropic movement d) tactic movement 19 / 30 19. An adaptation for defense in animals is? a) croaking of a male toad b) spines in porcupine fish c) basking in lizard d) huddling together of penguins 20 / 30 20. Conversion of atmosphere carbon into chemical bond energy occurs during the process of? a) photosynthesis b) respiration c) transpiration d) digestion 21 / 30 21. Which of the following is associated with the dark stage of photosynthesis? a) Photolysis b) Photophosphorylation c) Assimilation of Carbon(IV)oxide d) Excitation of chlorophyll 22 / 30 22. The development of big muscles by a wrestler is an example of? a) mutation b) inherited characteristics c) acquired characteristics d) atrophication 23 / 30 23. The part of mammalian skin that excretes metabolic wastes is? a) sebaceous gland b) sweat gland c) Malpighian layer d) horny layer 24 / 30 24. An example of arboreal animal is? a) pig b) rat c) squirrels d) duck 25 / 30 25. The growth of mucor on a piece of bread is? a) saprophytism b) autotrophism c) scavenging d) commensalism 26 / 30 26. In Nigeria, Southern Guinea Savanna is found in? a) Kogi and Kwara b) Kano and Niger c) Borno and Sokoto d) Kaduna and Cross River 27 / 30 27. During mitosis, the stage at which chromosomes lines up around the equator is? a) metasphase b) prophase c) anaphase d) telophase 28 / 30 28. The internal structure of a leaf that has larger air space is? a) vascular bundles b) palisade mesophyll c) spongy mesophyll d) epidermis 29 / 30 29. In genetic counseling, a man with hemoglobin formation HbA HbS is most preferred to marry a woman of? a) HbM HbF b) HbS HbS c) HbA HbA d) HbC HbH 30 / 30 30. The genes crossing over occurs during? a) fertilization b) meiosis c) mutation d) mitosis Your score is The average score is 44% Restart Cbt Please click the stars to rate the quiz Send feedback
